<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>姓名案例_methods</title>
    <!-- 引用开发版 -->
    <script type="text/javascript" src="../js/vue.js"></script>
</head>
<body>
    <!--
     -->
    <!-- 准备一个容器 -->
    <div id="root">
        姓：<input type="text" v-model="firstName"> <br/><br/>
        名：<input type="text" v-model="lastName"> <br/><br/>
        全名：<span>{{fullName()}}</span>
    </div>

    <script type="text/javascript">
        Vue.config.productionTip=false

        new Vue({
            el:'#root',
            data:{
                firstName:'张',
                lastName:'三' 
            },
            methods: {
                fullName() {
                    return this.firstName + '-' + this.lastName
                }
            }
        })
    </script>
</body>
</html